package com.lill.support.filter;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;

/**
 * @author PeakLee
 * @title 跨越拦截器
 * @info
 * @createTime 2021/1/21
 */
public class CORSFilter implements Filter {
    @Override
    public void init(FilterConfig filterConfig) throws ServletException {

    }

    @Override
    public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {
//        HttpServletResponse res = (HttpServletResponse) response;
//        res.addHeader("Access-Control-Allow-Credentials", "true");
//        res.addHeader("Access-Control-Allow-Origin", "*");
//        res.addHeader("Access-Control-Allow-Methods", "OPTIONS, GET, POST, DELETE, PUT");
//        res.addHeader("Access-Control-Allow-Headers", "Content-Type,X-CAF-Authorization-Token,sessionToken,X-TOKEN");
//        if (((HttpServletRequest) request).getMethod().equals("OPTIONS")) {
//            response.getWriter().println("ok");
//            return;
//        }
        chain.doFilter(request, response);
    }
    @Override
    public void destroy() {

    }
}
